[Turkmath:7022] Bogazici Matematik Carsamba seminerleri - ilan ekte

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Bogazici Mathematics Colloquium

Legendrian knots and open book decompositions

Sinem Çelik Onaran
Boğaziçi Üniversitesi

Date	  : Wednesday, May 12, 2009
Time	  : 14:00
Place  : TB 250, Boğaziçi Üniversitesi


Abstract: Due to Alexander, it is well known that every closed oriented
3-manifold has an open book decomposition. In this talk, we will define open
book decompositions and discuss various examples in detail. Further, we will
discuss the importance of the open books in manifold theory, in particular in
contact geometry. After a brief introduction on contact 3-manifolds, we will
focus on a class of knots in contact 3-manifolds called Legendrian knots. We
will define a new invariant for Legendrian knots using open book decompositions
and we will discuss applications of this invariant. This talk aims to reach
general audience.


Tea and coffee will be served at 15:00
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